1291234306

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 2041873920

約数和(自身を除く): 750639614

約数列:

[1, 2, 23, 46, 239, 257, 457, 478, 514, 914, 5497, 5911, 10511, 10994, 11822, 21022, 61423, 109223, 117449, 122846, 218446, 234898, 1412729, 2512129, 2701327, 2825458, 5024258, 5402654, 28070311, 56140622, 645617153, 1291234306]

約数ペア:

[(1, 1291234306), (2, 645617153), (23, 56140622), (46, 28070311), (239, 5402654), (257, 5024258), (457, 2825458), (478, 2701327), (514, 2512129), (914, 1412729), (5497, 234898), (5911, 218446), (10511, 122846), (10994, 117449), (11822, 109223), (21022, 61423)]